function post() {
    var porductId = $("#product_id").val();
    var content = $("#comment_content").val();
    $.ajax({
        type: "POST",
        url: "/simpleproduct",
        contentType: 'application/json',
        data: JSON.stringify({
            "parentId": porductId,
            "content": content,
        }),
        success: function (response) {

            console.log(response);

        },
        dataType: "json"
    });
}